Apply the general addition rule to calculate probabilities.
a.k.a. Calculate probabilities when events ARE NOT mutually exclusive (i.e. when two events can happen at the same time)
Use a two-way table or Venn diagram to model a chance process and calculate probabilities involving two events.
Create a DeltaMath student account. Use code 427434.
Do the 15.2 General Addition Rule HW on DeltaMath.